PROFILE

OutlineAddresses

Business Name:

IRIE KOKEN CO., LTD.

Establishment Date:

May 24, 1966

Capital:JPY 150 million

Management Personnel:

President

Head Office:HibiyaKokusai Building 414, 2-2-3 Uchisaiwaicho,
Chiyoda-ku, Tokyo 100-0011, Japan
TEL: +81-3-3507-9611
FAX: +81-3-3507-9615

Osaka Office:Daido Seimei Minami-Kan, 1-2-11 Edobori,
Nishi-ku, Osaka-shi, Osaka 550-0002, Japan
TEL: +81-6-6445-2630
FAX: +81-6-6459-3350

Technical Center:

740-5 Shimoakasaka, Kawagoe-shi,
Saitama 350-1155, Japan
TEL: +81-49-261-2351
FAX: +81-49-278-1172

Norihiro Irie

Senior Vice President Takuya Shibahara
Vice President

Hirotoshi ItoAuditor

Fumiko Irie

External Director

Hideo Aoyama

Closing Month:

MarchAnnual Turnover:

JPY 44.7 billion (FY2023)

Number of Employees:

190 persons (as of March 31, 2024)

Business Description:

Design, manufacture and sales of various metal machine products and vacuum
equipment, welded bellows, formed bellows
application products, high-vacuum gate
valves, vacuum chambers and railroad rolling stock parts.

Acquired Certifications:

Site Area 2,490m2 Building Area 2,845m2[Shikoku Plant]
Uchiko Factory:

Site Area 7,026m2 Building Area 2,977m2
Nakayama Factory:

Whole company
ISO9001 (August 1, 1999)
Registration No 99QR·191

4-1580-1 Izubuchi, Nakayama-cho, Iyo-shi,Ehime 791-3204, Japan
TEL: +81-89-967-1001
FAX: +81-89-967-5011
Site Area 31,710m2 Building Area 7,228m2

ISO14001 (September 12, 2008)
Registration No 08ER·714

Primary Banks:

1910 Kawanaka, Uchiko-cho, Kita-gun,Ehime 791-3321, Japan
TEL: +81-893-45-0311
FAX: +81-893-59-5001

Japan Finance Corporation
Tokyo BranchBank of Mitsubishi UFJGinza Branch
The Shoko Chukin Bank
Oshiage Branch

Nakayama
Distribution Center:4-1520-1 Izubuchi, Nakayama-cho, Iyo-shi,Ehime 791-3204, Japan
Site Area 1,095m2 Building Area 208m2[Affiliated Company]

CHANGZHOU IRIE PRECISION CO., LTD.
No.28 Yulong Middle Road, Xinbei District,
Changzhou City, Jiangsu Province 213022,
P.R. China
TEL: +86-519-8675-2011
Capital: JPY 50 million
Business description:
Manufacturing and sales of vacuum parts.
Acquired certifications:ISO9001 (May 22, 2019)
Registration No 626019Q14273R0M
HANGZHOU YE RONG TRADE CO.,LTD
JiangNanXingZuo No.1 Building 1509,
ChangHe Street, BinJiang District,Hang Zhou, ZheJiang 310052, P.R. China
TEL: +86-571-81107328
Capital: JPY 30 million
Business description:
Sales of vavuum valves, and parts for

Imperial Hotel Tokyo

Tokyo Bar Association

Hibiya ParkTokyo Metro Chiyoda Line

Kasumigaseki Sta.

Kokkai-dori St.

Fukokuseimei Building

Terrace〈 Head Office〉

Nishi-shinbashi Square

Nishishimbashi

Kokkai-dori St.

Capital: KRW 2,100,005,000
Business description:
Manufacturing, sales, and maintenance ofvacuum valves.		

Dai-ichi HotelTokyo

Sotobori-dori St.

JR Shimbashi Station

Atago-dori St.
Nishishimbashi 1

Hibiya Central Building

Uchisaiwaicho Sta.

HibiyaKokusai
Hibikoku
Building

Toei Mita Line

Hibiya Park FrontIKC KOREA CO., LTD.
88, Saneop-ro(Gosaek-dong), 92beon-gil,Gwonseon-gu, Suwon-si, Gyeonggi-do,441-813, Korea
TEL: +82-031-291-6767

Uchisaiwaicho

Nippon Press Center Building
METI Building Annex

railroad rolling stock.

Hibiya-dori St.

Tokyo Familiy Court

FERROTEC IKC PRECISION MACHINERY (Anhui) CO.,LTD.
No.18 Nanhai Road, Yian Economic Development Zone,YiAn, Tongling City, 244100, P.R. China
TEL: +86-0562-5316888
Capital: CNY 1,000 (51%)
Business description:
Manufacturing, sales of bellows and vacuum valves.

HISTORY

Company History
May Establishment of Nihon Reinetsu Consult Co., Ltd.
Capital: JPY 3 million
October Company name changed to IRIE KOKEN CO., LTD.
Operations start at Kawasaki Factory(Daishigawara, Kawasaki-shi, Kanagawa).

Establishment of Kawagoe Factory(present-day Technical Center).
Capital: JPY 10 million.

Operations start at Shikoku Factory(present-day Uchiko Factory).

Product History
1966
Development of first bellows forming machine begins.
Development of bellows-type expansion/contraction joint begins.

1967
1969
1970

Deliveries of cooling fans for traction motors of electric trains begin.
Shipping of welded bellows-type expansion/contraction joints for plants begins.
Manufacture of large diameter welded bellows begins.

1971
1972

Deliveries of brake control devices for container freight cars begin.
Deliveries of products to JAEA (Tokai) begin.
Trials of traction transformer conservators for Shinkansen and electric trainsbegin.

1973
1974
1975

Establishment of Osaka Office.
Capital: JPY 40 million.

1977
1980
1981
19831987
1988
1990

Nakayama Factory established and operations start.

1991
1992

Capital: JPY 136 million.
Shikoku Plant acquires ISO9001 certification.
Head Office relocates to Marunouchi Chiyoda-ku, Tokyo.
Technical Center acquires ISO9001 certification.

1994
1999
2000
2001
2002
2003

Shikoku Plant extended and altered.

2004

Building of Second Factory starts at Technical Center.
Representative Office in Korea established.
Operations start at overseas affiliated company
CHANGZHOU IRIE PRECISION CO., LTD.
Theory of Constraints (TOC) Project launches.

2005
2006

Shikoku Plant acquires ISO14001 certification.
Korea Branch established.

2008
2009

Renovations start at Uchiko Factory of Shikoku Plant.
Nakayama Factory of Shikoku Plant extended.
Capital: JPY 100 million.
Head Office acquires ISO9001 certification.

2010

2007

2011
2012

CHANGZHOU IRIE PRECISION CO., LTD. merges withYAMAZAKI PRECISION CO., LTD.
Trademark registration. (U.S.A., China, Korea, Taiwan)
Technical Center acquires Eco-Action 21.

2013

IKC KOREA CO., LTD. established.
HANGZHOU YE RONG TRADE CO.,LTD established.
Company-Wide ISO9001・Company-Wide ISO14001 is unified.
Nakayama Distribution Center of Shikoku Plant established.

2014
2015
2017
2020

2022Establishment of Anhui Rujiang Fulede Precision MachineryCo., Ltd.
Head Office relocates to Uchisaiwaicho Chiyoda-ku, Tokyo.

2023

Deliveries of products to RIKEN and Center for Nuclear Study at the University ofTokyo begin.
First vacuum gate valve delivered to Center for Nuclear Study at the University ofTokyo.
First probe drive mechanism delivered to JAEA.
Launch support facility and liquid oxygen bend duct delivered to National Space
Development Agency of Japan (NASDA).
Participation in construction of break-even plasma test device JT-60 .
Participation in construction of large-scale accelerator Transportable Ring
Intersecting Storage Accelerator in Nippon (TRISTAN) at KEK.
Awarded commendation from KEK for completing TRISTAN.
Deliveries of profile monitors begin for Heavy Ion Medical Accelerator in Chiba(HIMAC) at National Institute of Radiological Sciences.
Participation in construction of large-scale radiation facility Super Photon ring-8
GeV (SPring-8) (managed by RIKEN and Japan Synchrotron Radiation Institute).
Non-sliding gate valve, KOSLARZE, delivered to Tohoku University.
Mass production of frictionless gate valve, KOSLARZE, begins.
Development of hastelloy bellows begins.
Extreme high vacuum successfully created.
Development of frictionless gate valve, KOSLARZE , begins.
Development of frictionless circular valve, COMPAC begins.
Development of pulse tube refrigerator begins.
Participation in construction of Japan Proton Accelerator Research Complex(J-PARC).
Development of differential pressure cancelling-type largesized gate valves
GARIVA and MARINA begins.
Awarded Chairman’s Prize from Japan Vacuum Industry Association.
“Development and Commercialization of differential pressure cancellation valve”.

Awarded Outstanding Performance Prize for Small Business Outstanding New
Technology and New Product Awards.
“Differential pressure cancelling-type largesized gate valve GARIVA ”.
Certified for fourth“Specific Research and Development Program based on Act
on Small and Medium Sized Enterprises’Core Manufacturing Technology”
enhanced for development of largesized vacuum gate valve.
Certified as company in“300 healthy small and medium sized enterprises
supporting future of Japan”(2007 edition).
Bellows chamber for accelerator delivered to X-ray free electron particle laser
facility SPring-8 Angstrom Compact Free Electron Laser (SACLA).
Development of FFT series (valves for roll-to-roll product laminators).
Awarded certificate of appreciation from J-PARC.
Awarded Encouragement Prize for Super Manufacturing Grand Prize Category.
“Big Beam Position Moniter (Big BPM) for J-PARC.
Port bellows for JT-60SA delivered to JAEA.
Awarded certificate of appreciation from RIKEN and Japan Synchrotron Radiation
Research Institute (JASRI).
"Contribution to construction of X-ray Free Electron Laser (nicknamed SACLA)".
Development of glove box under high purity environment by vacuum replacement
according to government subsidy.
Awarded Encouragement Prize for Super Manufacturing Grand Prize Category.
“FFT-Valve”
Awarded Occupational-skills-development relation Minister of Health, Labourand Welfare.
Approved management innovation plan by Tokyo.

Awarded Vacuum component part and material section Prize from Japan
Vacuum Industry Association.“Development and Commercialization of Reversing
Valve”
Awarded Innovation from Japan Vacuum Industry Association.
“Oxygen-free Pd/Ti NEG-deposited stainless steel flanges and bellows”

2024* KEK: High Energy Accelerator Research Organization* JAEA: Japan Atomic Energy Agency